Home / 22,315.49-30,795.35-12,243.99

Finding the Fourth Proportional to 22,315.49, 30,795.35 and 12,243.99

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Solution

The fourth proportional to 22,315.49, 30,795.35 and 12,243.99 is: 16,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.49 : 30,795.35 = 12,243.99 : x
  2. Step 2: Convert to fraction form
    22,315.49/30,795.35 = 12,243.99/x
  3. Step 3: Cross multiply
    22,315.49x = 30,795.35 × 12,243.99
  4. Step 4: Simplify right side
    22,315.49x = 377,057,896.23
  5. Step 5: Solve for x
    x = 377,057,896.23/22,315.49
  6. Step 6: Final answer
    x = 16,896.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.